11102166661513 has 2 divisors, whose sum is σ = 11102166661514. Its totient is φ = 11102166661512.

The previous prime is 11102166661501. The next prime is 11102166661529. The reversal of 11102166661513 is 31516666120111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10803862807929 + 298303853584 = 3286923^2 + 546172^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11102166661513 is a prime.

It is not a weakly prime, because it can be changed into another prime (11102166661543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5551083330756 + 5551083330757.

It is an arithmetic number, because the mean of its divisors is an integer number (5551083330757).

Almost surely, 2^{11102166661513} is an apocalyptic number.

It is an amenable number.

11102166661513 is a deficient number, since it is larger than the sum of its proper divisors (1).

11102166661513 is an equidigital number, since it uses as much as digits as its factorization.

11102166661513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 40.

The spelling of 11102166661513 in words is "eleven trillion, one hundred two billion, one hundred sixty-six million, six hundred sixty-one thousand, five hundred thirteen".